My top teeth hurt every time i bend down or walk what could be causing this?

Sinus pressure: Are you congested or suffer from sinusitis, pressure can buildup in you nasal and or maxillary sinuses and may cause you to feel a dull ache when you move around. Try nasal and sinus decongestants and see if it helps, if not you should see a dentist to rule out the possibility of a dental infection. Hope this help ...

Sinusitis: The worst toothache i every had was when i had a sous infection. See an ENT for further treatment.